Rinnai Tankless Water Heater Installation and Operation Manual 50
4.6 Connect Water Supply
4.6.1 Guidelines
•
•
•
•
•
4.6.2 Instructions
1.
2.
3.
G
a
s
S
u
p
p
l
3
/
4
"
C
o
l
d
W
a
t
e
r
S
u
p
p
l
L
i
n
e
3/4" Hot Water Supp Line
Rinnai
uipent List
Rinnai
Wa
ter Heaters
RIK-KIT (Optional)
(3/4" Fittings Include:
2 Union 2 Ball Vales
2 Draines and
1 Pressu
QTY
1
1
3
/
4
"
G
a
s
C
o
n
n
e
c
t
io
n
For Building Fitures
3/
3/4" Union
Check Va
S
Pressure Regulator
Circu
Solenoid
Boiler Drain Vale
KEY
This
o
Condensate drain line
Condensate
drain
G
a
s
S
u
p
p
l
3
/
4
"
C
o
l
d
W
a
t
e
r
S
u
p
p
l
L
i
n
e
3/
4" Hot Water Su
pp L
ine
Rinnai
uipent List
Rinnai
Water Heaters
RIK-KIT (Optional)
(3/4" Fittings Include:
2 Union 2 Ball Vales
2 Draines and
1 Pressu
QTY
1
1
3
/4
"
G
a
s
C
o
n
n
e
c
t
io
n
For Building Fitures
3/
3/4" Union
Check Va
S
Pressure Regulator
Circu
Solenoid
Boiler Drain Vale
KEY
This
o
Condensate drain line
Condensate
drain
The condensate drain pipe (along its entire
as the drain line (1/2 in. NPT).
PIPING DIAGRAM FOR BASIC INSTALLATION
Figure 51
IMPORTANT
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